Calibration Instruments, Standards and Reference Sources Reference Materials

Description: Polymeric materials in general are viscoelastic in nature because they exhibit strong depend- ence of deformation and flow on time and temperature. Molecular structures in polymeric materials undergo ...

Description: The design, development and manufacture of medical devices differs significantly from many other consumer and industrial products because of both compliance and regulatory requirements. That's why ...

Description: In this application the effect of degradation on the quality of a polypropylene sample will be shown. The rheological properties of polypropylene which is used e.g. for die casting of injection ...

Description: Rheology is defined as the science of flow and deformation of matter. Rheological instrumentation and measurements have become essential tools in the analytical laboratories of companies for ...

Description: Traditional tests for polymers focus on the amount (mass) of material passing through a known diameter orifice in a given time frame, usually 10 min. This type of test, known as fluidity index or melt ...

Description: Because coatings are complex structured fluids, it is necessary to be able to apply a variety of tests to examine their complex behavior. In the past, a single-point test at a single shear rate was ...

Description: To understand the formulation and performance of adhesive systems, one has to study surface chemistry, rheology and fracture mechanics with regard to the required structural design. Rheology has ...

Description: Semisolid products are the most difficult to characterize rheologically because they combine both liquid and solid properties. Many pharmaceutical materials are semisolids such as ointments, creams, ...

Description: Rheological instrumentation and rheological measurements have become essential tools in the analytical laboratory for characterizing component materials and final products, monitoring process ...

Description: The materials under investigation can range from low-viscosity fluids to semisolids and gels to hard, solid-like food products. A knowledge of the rheological and mechanical properties of various food ...

Description: Rheological phenomena are found in every coatings operation. Coatings, which are complex structured fluids, need to be characterized by their structures and flow properties in order to be applied ...

Description: In this article, rheology is presented as a vehicle for the growth of the ink industry. The study and growth of inks dates back to 2500 B.C. Ink was invented by the Egyptians and Chinese in the first ...

Description: Rheological tests can determine how resistant lotion is to sun and friction. ...

Description: The behavior of polymers in extension is useful to study for many different polymer processes such as blown film extrusion and blow molding. The STRESSTECH and DYNALYSER rheometers can both be used to ...

Description: UV radiation is successfully used for many photocuring applications. Determination and optimization of UV radiation is an important aspect of UV curing as it impacts material formulation, production ...

Description: Pharmaceutical and cosmetic materials range in consistency from fluid to solid. Semisolid products are the most difficult materials to characterize rheologically because they combine both liquid and ...

Description: Diameter Tolerance Chart Reference (ANSI/ASME B89.1.5) ...

Description: A thorough calibration of a parallel thread gage (internal or external) can be very time consuming, but with the proper instrument, it doesn't have to. ...

Description: In the face of international rivals, manufacturers need to constantly focus on their operating margins if they are to remain competitive. But what is the best way to tackle waste and boost profits? ...

Description: Accredited certification increases customer confidence in the performance of the instrument under test and customer confidence in the accredited certification carried out. ...

Description: One of the biggest decisions to be made for a mapping study is deciding about a pre-mapping calibration or a check of an instruments current calibration and a post mapping calibration check. A ...

Description: Gage blocks are a staple of machine shops, measurement labs, factories, and anywhere else a precision measurement reference is needed. Gage blocks (or "gauge" blocks) can serve as a simple go/nogo ...

Description: Reliability should not be overlooked in weather measuring equipment. What is the best approach to ensure that weather stations continue to perform well and provide accurate measurement data? ...

Description: Mid-to-large size facilities and campuses inevitably have hundreds of  ow instruments to monitor, maintain, and repair. For a reliability engineer, ensuring that all instrumentation meets ISO 9000 or ...

Description: CIE Lighting Quality & Energy Efficiency Conference, March 3 to 5, 2016, Melbourne, Australia. Followed by Divisions 2, 4 & 5 Annual Meetings, March 7 to 9, 2016. The Colour Rendering Index (CRI), ...

Description: WATER CONSERVATION was once avoided by professionals in the water industry. The notion of actively trying to sell less of one's product was considered ludicrous. ...

Description: The Internet has been referred to as the information superhighway and has become an essential component of business and society. The increasing demand for any time, anywhere broadband access has ...

Description: Smart grid is a more robust application of information and communication technologies (ICT) to transform the generation, transmission, distribution and consumption of electricity to provide greater ...

Description: This study examines the role and impact of information and communications technologies ("ICT") in the American economy and evaluates the likely effects of several current policy proposals and choices ...

Description: The United States has long stood as the unrivaled leader in information and communications technology (ICT). ICT is ubiquitous, supporting every industry sector, improving the capabilities and ...

Description: This White Paper investigates which TIA standards have potential interactions with clouds and proposes a strategy for acquiring the expertise to address interoperability issues between those standards ...

Description: The Water Corporation is the principal supplier of water, wastewater and drainage services in Western Australia to hundreds of thousands of homes, businesses and farms, as well as providing bulk water ...

Description: A HART handheld is an essential tool in plants deploying HART instrumentation. But what is a HART handheld? What are the differences between various handheld brands and what are the practical ...

Description: Social, economic, and environmental effects are the three pillars often used to define and measure sustainability. Calibration plays a critical role in impacting these pillars to help maintain ...

Description: Today, the market consists mostly of 4-20 mA output instruments, but several 10-50 mA instruments still exist. Finding a calibrator that will measure and source the 10-50 mA instruments is a ...

Description: This website uses cookies primarily for visitor analytics. Certain pages will ask you to fill in contact details to receive additional information. On these pages you have the option of having the ...

Description: Beamex launched the MC6 advanced field calibrator and communicator in February 2012. This article takes a closer look at the production of this revolutionary product. ...

Description: One of the largest public utilities in the United States, the Miami-Dade Water and Sewer Department (WASD), a department of Miami- Dade County, provides direct service to more than 420,000 customers ...

Description: Most thermocouple simulators and dc calibrators have an output resistance of 50 ohms or higher for output voltages under approximately 200 mV. Although 50 ohms seems small compared to a ...

Description: We will discuss the various uncertainty components related to temperature calibration using a temperature dry-block. Also, we will discuss how to calculate the total uncertainty of a calibration ...

Description: Selecting a Pearson Current Monitor ...

Description: The reduction or removal of compounds that react in the atmosphere with sunlight to form ozone has become a priority effort to improve air quality worldwide. Air quality for both indoor and outdoor ...

Description: The purpose of this document it to explain the difference between N.I.S.T Buffers (4.01, 6.86, and 9.18 buffer solutions) and what is known as the technical buffers (4.0, 7.0, and 10.0 buffer ...

Description: As discussed in the previous article, there are different types of torque tester: mechanical, hydraulic and electronic. Mechanical and hydraulic testers generally use a needle on a dial to show the ...

Description: In an ideal world every torque device would have a range from zero to infinity. In the real world there are many reasons why torque wrenches and screwdrivers have a limited capacity. The ability of ...

Description: In this article we will look in more detail at the ways of testing the performance of hand held torque wrenches. Starting with a reminder about the different types of torque wrench, the article will ...

Description: A primer on calibration standards, methods, and calibration devices. ...

Description: Expiration dating has fallen prey to the most recent set of marketing gimmicks used to mislead the customer. Questionable methods are used to spark business opportunities for self-serving standards ...

Description: At Inorganic Ventures, we typically do everything we can to flex to your specs-from rush manufacturing to full product customization. However, we draw the line at flexible expiration dates - ...

Description: This guide is intended for anyone operating and preparing samples and standards for measurement using ICP (ICP hereafter refers to either ICP-MS or ICP-OES). Our last guide, Reliable Measurements: A ...

Description: More laboratories are beginning to realize how important the use of quality standards are to the accuracy of their tests. Accreditation to ISO standards provides the reference material consumer with ...

Description: The purpose of this study was to determine the stability of elements at the ppb level in low density polyethylene (LDPE) bottles. The stability of metals at the ppb level in this container material ...

Description: ISO Guide 31 sets the standard for ISO Guide 34-2000 accredited manufacturers to properly prepare a Certificate of Analysis (CoA). A standardized CoA must accompany any Certified Reference Material ...

Description: My previous guides, Reliable Measurements: A Guidebook for Trace Analysts and ICP Operations Guide, have dealt with the theory and basics of the common sample preparation techniques. This Guide is ...

Description: The number of devices sporting communication ports in the automation industry is growing by leaps and bounds. Many of the products we deal with today have complex configuration or calibration ...

Description: NIST stands for National Institute of Standards and Technology. The institute is a government agency, which started out as the National Bureau of Standards (NBS) and changed its name in 1988. (Many ...

Description: Maintaining reliable standards for trace sulfur compounds in an olefin matrix is a common problem in industrial quality assurance. Using permeation tubes to dynamically blend the required mixtures ...

Description: As applications requiring gas mixtures become more sophisticated, the mixtures required become progressively more complex. Permeation tubes can supply miniscule flows of a wide range of analyte vapors ...

Description: Methods are compared for preparing calibration standards for volatile organic compound analysis. Traceability is compared for static and dynamic methods such as direct mechanical dilution, diffusion ...

Description: A number of investigators have shown the utility of direct sampling ion trap mass spectrometry (DSITMS) for on-line, real-time monitoring applications. While ion trap instrumentation continues to ...

Description: The need to improve corporate bottom lines, measure tighter tolerances and comply with standards such as ISO 9000, QS-9000 and Z540-1 forces quality managers to continuously improve efficiencies. In ...

Description: The wavelength of light provides a very high resolution, linear, and stable reference for dimensional measurement. Labmaster® instruments effectively couple the wavelength of light to the part to ...